AD-TV 320 GS


The set value buffer amplifier AD-TV 320 GS serves the galvanic separation, transformation and amplification of DC current and voltage signals (0/4-20mA or 0/2-10V).The device has additionally a transmitter supply and a set value function, which can be switched on. The activation of the set value function is carried out selectable with a brief depression of the key at the front or with a control signal (24V active or contact) at the remote control input. Any output set value is set with the potentiometer at the front. Activation of zero trimmers and full trimmers is possible with longer depression of the set value key. With this, the signal magnitudes are adjustable in the range of ±25%. An integral electronic wide range power pack allows operation in a wide supply area.

AD-TV 320 GS


Transformation, burden amplification and galvanic disconnection of impressed transmitter signals, current signals and voltage signals with additional simulation function via set value specification, which can be activated.

Specific characteristics

  • Restoration of the last device condition on supply connection (i.e. after power cut).
  • Setting of a set value is carried out undamped and independent of the trimmer positions between 0...100% of the specified output range.
  • Check back contact in set value condition (closer).
  • The output signal remains even with missing input signal at the output start (i.e. 4 mA).
  • Configurable via AD-STUDIO.

Business data

Order number
AD-TV 320 GS
EClass 27210120
Customs tariff number / country of origin 8543 70 90 / Deutschland


Technical specifications

Transmitter supply
Feeding voltage 26 ... 19 V (4 ... 20 mA)
Current limit ~ 25 mA
Input current
Measuring range 0 ... 20 mA 1)
Input resistance 50 Ohm
Input voltage
Measuring range 0 ... 10 V 1)
Input resistance 100 kOhm (10 kOhm / Volt)
Output current
Output range 0 ... 20 mA 1)
Max. burden 500 Ohm
Max. residual ripple 40 µAss
Output voltage
Output range 0 ... 10 V 1)
Min. burden 1 kOhm
Max. residual ripple 20 mVss
Voltage range AC 50 ... 253 V AC, 50/60 Hz
Nominal voltage AC 230 V AC
Voltage range DC 20 ... 253 V DC
Nominal voltage DC 24 V DC
Input power AC/DC 3,5 VA / 2,0 W
Transmission behaviour
Basic accuracy < 0,2 %
Temperature influence 100 ppm/K
Response time 50 ms
Damping (optional) 0,1 %/s (linear max. ~950 s)
Trimmer function +/- 25%
Linearization (optional) 24 x/y, interpoliert
Setpoint encoder 0 ... 270° = 0 ... 100 %
Remote control
Input Optokoppler
Voltage 10 ... 30 V DC
Pulse controlled 200 ... 1000 ms
Static > 1000 ms
Front button ~ 200 ms
Dimensions (WxHxD) 23x78x103 mm
Type of protection IP 20
Connection method Screw clamp
Terminals, wire cross section 2,5 mm² flex wire / 4 mm² one wire
Bolting torque terminals 0,5 Nm
Weight ~ 100 g
Manner of fastening 35 mm DIN rail 35mm
Environmental conditions
Ambient temperature -10 ... 50 °C
Storage and transport -10 ... 70 °C (no condensation)
Product family standard EN 61326-1 2)
Emitted interference EN 55011, CISPR11 Cl. B, Gr. 1
Electrical safety requirements
Product family standard EN 61010-1
Overvoltage category II
Pollution degree 2
Galvanic isolation, test voltages
Input / output 1,5 kV, 50 Hz (1 min.)
Signal / supply unit 3 kV, 50 Hz (1 min.)
Protection circuits
Input Electrical surge protection
Output Electrical surge protection
Power supply Protection against overvoltage
reverse polarity
1) Values must be adviced by order.
2) During checking, slight signal deviations are possible.

Block and wiring diagram

AD-TV 320 GS


AD-TV 320 GS

Circuit examples

AD-TV 320 GS

CAD / CAE Daten

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